The perimeter is just the sum of all of the side lengths.
p=3x+4+x-10+5x-2
p=9x-8
7x / 8 = 21
7x = 8*21
x = 24
Answer:
-9
Step-by-step explanation:
you put in -1 where there is an x in the equation
3(-1) + 6(-10)
-3 - 6
-9 is the answer
Answer:
the son is 2
man is 26
+10 yrs
son=12
man=36
Step-by-step explanation:
Let the son's age be x.
Then the father's age is 13x.
In ten years their ages will be (x+10) and (13x+10).
(13x+10)=3(x+10)
13x+10=3x+30
10x=20
x=2
The son is 2 years old.
Answer: 97.0
Step-by-step explanation:
